*{
    margin: 0px;
    padding:0px;
}
body{
    font-size: 14px;
}
main{
    width: 100%;
    height: 1080px;
    position: relative;
}
.bg{
    background: url("https://ftp.bmp.ovh/imgs/2020/08/7566329afb512581.png") no-repeat;
    background-size: cover;
    width: 100%;
    height: 100%;
    filter: blur(5px);
}
.content{
    width: 500px;
    height: 350px;
    border: 1px solid black;
    box-shadow: -10px 10px 50px 20px white;
    position: absolute;
    border-radius: 10px;
    top: 150px;
    left: 450px;
    padding: 10px;
    box-sizing: border-box;
}
.content_title{
    text-align: center;
    color: rgb(65, 152, 252,0.8);
    height: 60px;
}
.reg_login_change{
    position:absolute;
    right: 30px;
    top: -35px;
    font-size: 55px;
    color: black;
    transition: all 0.5s;
}
.reg_login_change:hover{
    color: red;
    transform: scale(1.2);
    cursor: pointer;
    transition: all 0.5s;
}
input{
    appearance: none;
    background: none;
    border-radius: 5px;
    border: 1px solid black;
    color: black;
    transition: all 1s;
}
#submit{
    width: 81%;
    height: 40px;
    color: white;

    text-align: center;
}
.user_content{
    height: 100%;
    text-align: center;
}
.user_name{
    width: 100%;
    height: 100px;
}
.user_pass{
    width: 100%;
    height: 100px;
}
.user_name input{
    width: 70%;
    height: 30px;
    padding-left: 10px;
    font-size: 12px;
}
.user_pass input{
    width: 70%;
    height: 30px;
    padding-left: 10px;
    font-size: 12px;
}
.user_reg_content{
    text-align: center;
    height: 100%;
}
.user_reg_name{
    width: 100%;
    height: 50px;
}
.user_reg_pass{
    width: 100%;
    height: 50px;
}
.user_reg_name input{
    width: 70%;
    height: 30px;
    padding-left: 10px;
    font-size: 12px;
}
.user_reg_pass input{
    width: 70%;
    height: 30px;
    padding-left: 10px;
    font-size: 12px;
}
.user_reg_email input{
    width: 70%;
    height: 30px;
    padding-left: 10px;
    font-size: 12px;
}
.user_reg_email{
    width: 100%;
    height: 50px;
}
.user_reg_code input{
    width: 30%;
    height: 30px;
    padding-left: 10px;
    font-size: 12px;
}
.user_reg_code{
    width: 100%;
    height: 50px;
}
#uRegCode{
    margin-right: 10px;
}
.uRegCode_btn{
    border: 1px solid black;
    border-radius: 5px;
    width: 100px;
    height: 30px;
    background: none;
    appearance: none;
}
input:focus{
    transform: scale(0.9);
    transition: all 1s;
}
@media screen and (max-width: 420px) and (min-width: 361px){
    .bg{
        width: 100%;
        height: 100%;
        filter: none;
        filter: blur(2px);
    }
    body{
        height: 100%;
    }
    main{
        width: 100%;
        height: 600px;
    }
    .content{
        width: 100%;
        left: 0px;
        bottom: 0px;
        top: 100px;
    }
}
@media screen and (max-width: 370px) and (min-width: 320px){
    .bg{
        width: 100%;
        height: 100%;
        filter: none;
        filter: blur(2px);
    }
    body{
        height: 100%;
    }
    main{
        width: 100%;
        height: 640px;
    }
    .content{
        width: 100%;
        left: 0px;
        bottom: 0px;
        top: 100px;
    }
}
@media screen and (min-width:321px) and (max-width: 361px){
    .bg{
        width: 100%;
        height: 100%;
        filter: none;
        filter: blur(2px);
    }
    body{
        height: 100%;
    }
    main{
        width: 100%;
        height: 640px;
    }
    .content{
        width: 100%;
        left: 0px;
        bottom: 0px;
        top: 100px;
    }
}
@media screen and (max-width: 769px) and (min-width: 500px){
    .bg{
        width: 100%;
        height: 100%;
        filter: none;
        filter: blur(2px);
    }
    body{
        height: 100%;
    }
    main{
        width: 100%;
        height: 823px;
    }
    .content{
        width: 80%;
        left: 100px;
        bottom: 0px;
        top: 100px;
    }
}
@media screen and (max-width: 320px) and (min-width: 100px){
    .bg{
        width: 100%;
        height: 100%;
        filter: none;
        filter: blur(2px);
    }
    body{
        height: 100%;
    }
    main{
        width: 100%;
        height: 568px;
    }
    .content{
        width: 100%;
        left: 0px;
        bottom: 0px;
        top: 100px;
    }
}
@media screen and (min-width: 361px) and (max-width: 375px){
    .bg{
        width: 100%;
        height: 100%;
        filter: none;
        filter: blur(2px);
    }
    body{
        height: 100%;
    }
    main{
        width: 100%;
        height: 667px;
    }
    .content{
        width: 100%;
        left: 0px;
        bottom: 0px;
        top: 100px;
    }
}
@media screen and (max-width: 414px) and (min-width: 376px){
    .bg{
        width: 100%;
        height: 100%;
        filter: none;
        filter: blur(2px);
    }
    body{
        height: 100%;
    }
    main{
        width: 100%;
        height: 736px;
    }
    .content{
        width: 100%;
        left: 0px;
        bottom: 0px;
        top: 100px;
    }
}
@media screen and (min-width: 362px) and (max-width: 375px){
    .bg{
        width: 100%;
        height: 100%;
        filter: none;
        filter: blur(2px);
    }
    body{
        height: 100%;
    }
    main{
        width: 100%;
        height: 667px;
    }
    .content{
        width: 100%;
        left: 0px;
        bottom: 0px;
        top: 100px;
    }
} 
@media screen and (min-width: 1024px) and(max-width:1300px){
    .bg{
        width: 100%;
        height: 100%;
        filter: blur(5px);
    }
    body{
        height: 100%;
    }
    main{
        width: 100%;
        height: 1366px;
    }
    .content{
        width: 60%;
        left: 200px;
        bottom: 0px;
        top: 250px;
    }
} 